Added new sections: Interesting Articles and Small Snippets

README.md

@@ -1,7 +1,7 @@
 Ruby Metaprogramming Study Note
 ===============================
 I'm now taking a sniff of Ruby Metaprogramming. This is my tiny Study Note. :)   
-May 23th, 2009 by ashbb (Satoshi Asakawa)
+Jun 3rd, 2009 by ashbb (Satoshi Asakawa)
 
 
 Videos
@@ -42,6 +42,19 @@ Sample Apps
   Very simple Ruby DSL on Shoes.
 
 
+Interesting Articles
+--------------------
+- [Seeing Metaclasses Clearly](http://whytheluckystiff.net/articles/seeingMetaclassesClearly.html)
+- [Extending your include knowledge of Ruby](http://macournoyer.wordpress.com/2007/07/06/extending-your-include-knowledge-of-ruby/)
+- [Using methodmissing and respondto? to create dynamic methods](http://technicalpickles.com/posts/using-method_missing-and-respond_to-to-create-dynamic-methods)
+- [Ola Bini's blogs on Meta programming](http://ola-bini.blogspot.com/search/label/metaprogramming)
+
+
+Small Snippets
+--------------
+- [ss001](http://github.com/ashbb/ruby_metaprogramming_study_note/tree/master/snippets/ss001.md): nested def keyword
+
+
 To do list
 ----------
 - create more sample codes   

snippets/ss001.md

@@ -0,0 +1,27 @@
+ss001: nested def keyword
+-------------------------
+
+	# small snippet 001
+	class Dog
+	  def say
+	    def cry
+	      def bark
+	        puts 'Wooo!'
+	      end
+	    end
+	  end
+	end
+
+	d = Dog.new
+	p Dog.instance_methods(false)  #=> ["say"]
+	d.say
+	p Dog.instance_methods(false)  #=> ["say", "cry"]
+	d.cry
+	p Dog.instance_methods(false)  #=> ["say", "bark", "cry"]
+	d.bark  #=> Wooo!
+
+
+The method is actually created dinamically.
+The method `cry` is not created until the method `say` is executed.
+
+For more information: [Dynamically created methods in Ruby](http://ola-bini.blogspot.com/2008/05/dynamically-created-methods-in-ruby.html)